------Tony, are you listening to me ？
------Sorry sir, I to understand what you said just now.
A. try B. was trying C. tried D. have tried
------I think we should buy a car now so that it will be convenient for us.
------ , but do you think we have so much money?
A. You are dead right B. You are joking C. I don’t believe it D. Come off it
He made a decision that when he grew up, he would try his best to money for the poor.
A. arise B. rise C. arouse D. raise
We haven’t seen each other for many years since we last time.
A．separate B． separates C． separated D． separating
Many years have been spent by him how to solve the question.
A．to learning B． with learning C． learning D．on learning
It was some time we realized the truth．
A．when B．until C．since D．before
